Filet-O-Fish: Why McDonald’s Famous Fish Sandwich Still Reigns Supreme
The Filet-O-Fish is one of the most iconic menu items at McDonald’s. Known for its soft bun, crispy fish patty, and tangy tartar sauce, this sandwich continues to attract loyal fans. In this article, we explore everything about the Filet-O-Fish—what is in it, how it compares to other fish sandwiches, why people love it, and answers to some common questions.
What is the Filet-O-Fish?
The Filet-O-Fish is a classic fish sandwich sold at McDonald’s restaurants worldwide. It features a mild white fish filet (Alaskan Pollock) breaded and fried until golden brown. The sandwich is served on a steamed bun, with a slice of processed cheese and a generous helping of McDonald’s menu signature tartar sauce.
This sandwich was first introduced in 1962. It was created to cater to Catholic customers who avoided meat on Fridays. It quickly became a menu staple.

Filet-O-Fish Ingredients Breakdown
If you are curious about what makes up this popular sandwich, here is a breakdown:
- Fish patty – Made with 100% wild-caught Alaskan Pollock
- Steamed bun – Soft and slightly sweet
- Tartar sauce – Creamy with pickle relish and a mild tang
- Cheese – One half slice of American cheese
People also search for McDonald’s fish sandwich ingredients, Alaskan Pollock nutrition, and a tartar sauce recipe in McDonald’s style.
Nutrition Facts of Filet-O-Fish
Here is a quick overview of the nutrition per sandwich (values may vary):
- Calories: 390
- Protein: 15g
- Fat: 19g
- Carbohydrates: 38g
- Sodium: 560mg
Although it is not the lowest-calorie option on the menu, the Filet-O-Fish offers a decent balance for those looking for a seafood fast food option.
Why People Still Love the Filet-O-Fish
- Consistent taste: The Filet-O-Fish tastes the same whether you order it in New York or Tokyo.
- Great alternative to beef: It is a solid choice for people avoiding red meat.
- Perfect for Lent season: Sales spike during Lent, showing its continued relevance.
- Simple ingredients: No fancy toppings—just fish, sauce, cheese, and bun.
How Filet-O-Fish Compares to Other Fish Sandwiches
If you are deciding between fast food fish sandwiches, here is how the Filet-O-Fish stacks up:
Sandwich | Restaurant | Fish Type | Calories |
Filet-O-Fish | McDonald’s | Alaskan Pollock | 390 Kcal |
Fish Sandwich | Wendy’s | Cod (seasonal) | 510 Kcal |
Fish Sandwich | Burger King | White Fish | 600 Kcal |
Many people prefer the Filet-O-Fish because of its simplicity and comfort food quality.

Common Questions About the Filet-O-Fish
Final Thoughts: Is the Filet-O-Fish Worth It?
The Filet-O-Fish remains one of McDonald’s most underrated yet reliable menu items. Whether you are looking for a meatless option, craving a nostalgic taste, or want something different from the usual burger, this sandwich delivers.